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  1. Scott Danforth

    Volvo penta sx

    look at this fitting specifically (circled in red). is that fitting in perfect shape? is seal item #8 intact? is your power steering cooler plugged? (literally the first strainer in the system) how much water pressure does your hose generate? what is your hose flow rate?
  2. Scott Danforth

    Transom leak. 4.3l mercruiser with alpha one gen2

    With a good transom, you can hang the boat from the outdrive or let the whole thing stand on the outdrive and never have an issue. The fact the gel is cracked around the transom shield means the transom "squished" enough to crack the gel Good transoms do not squish
  3. Scott Danforth

    Changing colour of gelcoat question

    Blue handles UV better than Red. clear has no UV inhibitor, which is why you see cars in Florida rust from the top down as the clear coat fails, then the paint fails Keeping your boat stored indoors and properly waxed helps
  4. Scott Danforth

    1996 Mercury 150 EFI - Tilt cylinder not holding pressure.

    All of them need replacing. However the piston seals are probably bypassing if the cylinder doesn't hold load The materials used in the seals last about 15-20 years max and then they break down
  5. Scott Danforth

    Changing colour of gelcoat question

    I changed from red to blue on my hull because of the fading
  6. Scott Danforth

    Transom leak. 4.3l mercruiser with alpha one gen2

    Good luck, I would pull the drive and motor to get the transom shield off.
  7. Scott Danforth

    Volvo 5.7 rough idle

    Then look at how you have the carb set up. If it smooths out above idle, there is an issue with the carbs idle circuit. Either a setting, or debris in the carb passages
  8. Scott Danforth

    Volvo 5.7 rough idle

    Start with a compression test
  9. Scott Danforth

    Volvo penta sx

    Impellers do not suck water, they only push water So, start with a new impeller. If the old one is missing fins, find them Additionally, inspect the PS cooler for debris, and check the raw water inlet fitting on the outdrive (where the hose connects)
  10. Scott Danforth

    Transom leak. 4.3l mercruiser with alpha one gen2

    That crack showing in the gel isn't good. That's an indicator of a soft transom Filling the boat with water was not a good idea a you now forced water into all the flotation boxes, etc. it also submerged your starter, so you now need to pull the starter apart to save it. If the water got...
  11. Scott Danforth

    Changing colour of gelcoat question

    Red fades to pink in the sun Blue fades to light blue
  12. Scott Danforth

    1996 Mercury 150 EFI - Tilt cylinder not holding pressure.

    I use Five Star myself
  13. Scott Danforth

    Aluminum tubing for a new canvas soft top on a 1989 Starcraft Islander 221V

    I would go longer on the main bow and intermediate bows. I would also sew in an isinglass panel just above the windshield (where your darker blue panel is). then you can actually stand and use it
  14. Scott Danforth

    1996 Mercury 150 EFI - Tilt cylinder not holding pressure.

    or the hydraulic piston seals which last only 15-20 years need to be replaced.
  15. Scott Danforth

    Mercruiser 496 gets warm again.

    have you checked the water passage for bravoitis? have you pulled the end caps of the heat exchanger to check for debris?
  16. Scott Danforth

    Vapor lock or something else?

    Can't have vapor lock with an EFI fuel system So look at your fuel pressure
  17. Scott Danforth

    4.3 v6 Timing suggestion

    The 4.3 is in the edge of detonation and the edge of reversion. The pertronix is a degrade from the thunderbolt ignition You will need to go to dry exhaust to use the rollin thunder cam. That cam has too much overlap for a marine motor with wet exhaust and you will be suffering from...
  18. Scott Danforth

    Mercruiser 5.7 MAG MPI Water Pressure Sensor & Oil Pressure Sensor Interchange/Alternatives + 4 in 1 gauge not showing speed and oil pressure

    D&D speedometer in the twin cities and speedometer service co in Milwaukee both repair gauges
  19. Scott Danforth

    Effect of partial submersion of 5.0 GXI. Effect on Power Steering, Starter, crank sensor.

    Doesn't really matter much. Just flush the system when you swap. The pump will run nearly every oil viscosity from ATF to 75 weight
  20. Scott Danforth

    Need Help With Trim/Tilt Wiring

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